One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10)(11,13)(12,14)(15,16)(17,18,22,26,23,25,28,27)(19,24,30,31,29,32,21,20)(1,3,5,8)(2,6,4,7)(9,10)(11,15)(12,14)(13,16)(17,19,23,29)(18,24,25,32)(20,26,31,27)(21,22,30,28)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20)(18,21)(19,27)(22,32)(23,31)(24,28)(25,30)(26,29)(1,4,5,2)(3,6,8,7)(11,16)(13,15)(17,21,23,30)(18,20,25,31)(19,28,29,22)(24,27,32,26)(10,14)(13,15)(18,25)(19,29)(21,30)(26,27) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.